1.Tubal ligation, uterine perforation repair, birth control ring removal. 2.Pelvic adhesion release and cystostomy for infertility patients 3.Pelvic inflammatory diseases, such as adnexal resection for ovarian and fallopian tube abscess 4.Endometriosis patients 5.Ovarian benign tumor surgery, such as simple cysts, chocolate cysts and ovarian teratoma patients ovarian cyst debridement and resection. 6.Patients with ectopic pregnancy: laparoscopic salpingo-oophorectomy; linear salpingo-oophorectomy for embryo retrieval; removal of tubal ectopic pregnancy; local injection of methotrexate or 5-fluorouracil for ectopic pregnancy (ectopic pregnancy) or trophoblastic tumor. 7. Surgical treatment of patients with uterine fibroids (1) excision of simple fibroids (2) total hysterectomy (3) subtotal hysterectomy (4) intrafascial hysterectomy (5) laparoscopic-assisted cathartic hysterectomy 8. Assisted reproductive surgery: laparoscopic collection of oocytes 9.Patients with early uterine malignancy, such as early cervical cancer and endometrial cancer 10.Uterine repositioning, uterine draping